11112032138 has 8 divisors (see below), whose sum is σ = 17242808580. Its totient is φ = 5364429280.

The previous prime is 11112032137. The next prime is 11112032203. The reversal of 11112032138 is 83123021111.

It can be written as a sum of positive squares in 2 ways, for example, as 10894558129 + 217474009 = 104377^2 + 14747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11112032131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95793323 + ... + 95793438.

Almost surely, 2^11112032138 is an apocalyptic number.

11112032138 is a deficient number, since it is larger than the sum of its proper divisors (6130776442).

11112032138 is a wasteful number, since it uses less digits than its factorization.

11112032138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191586792.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 11112032138 its reverse (83123021111), we get a palindrome (94235053249).

The spelling of 11112032138 in words is "eleven billion, one hundred twelve million, thirty-two thousand, one hundred thirty-eight".